v3.26.1
Acquisition - Additional Information (Detail) - CNY (¥)
¥ in Thousands
1 Months Ended 4 Months Ended 11 Months Ended
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2025
Sep. 02, 2025
Jan. 31, 2025
Dec. 01, 2024
Business Combination [Line Items]            
Consideration was paid   ¥ 155,880 ¥ 155,880     ¥ 204,380
Business acquisition, pro forma revenue ¥ 7,549          
Business acquisition, pro forma net income (loss) ¥ 827          
Business combination consideration transferred adjustment   178,045 178,045      
Goodwill adjustment due to measurement period change   26,335 26,335      
Japanese Business [Member]            
Business Combination [Line Items]            
Consideration was paid   196,354 196,354      
Business acquisition cash paid   196,354 196,354      
Business acquisition, pro forma revenue     92,497      
Business acquisition, pro forma net income (loss)     9,869      
Business acquisition, equity interests acquired         87.50%  
Business combination, recognized asset acquired, cash and cash equivalent         ¥ 9,041  
Europe Business [Member]            
Business Combination [Line Items]            
Consideration was paid   537,703 ¥ 537,703 ¥ 537,711    
Business acquisition, pro forma revenue   106,741        
Business acquisition, pro forma net income (loss)   ¥ 14,536        
Business acquisition, equity interests acquired       100.00%    
Business combination, recognized asset acquired, cash and cash equivalent       ¥ 132,619